diff --git typo3/js/clearcachemenu.js typo3/js/clearcachemenu.js
index 665c6f3..1dda2c6 100644
--- typo3/js/clearcachemenu.js
+++ typo3/js/clearcachemenu.js
@@ -35,6 +35,7 @@ var ClearCacheMenu = Class.create({
 	initialize: function() {
 
 		Ext.onReady(function() {
+			var self = this;
 			Event.observe(
 				window, 'resize',
 				function() { TYPO3BackendToolbarManager.positionMenu('clear-cache-actions-menu'); }
@@ -45,9 +46,12 @@ var ClearCacheMenu = Class.create({
 			Event.observe('clear-cache-actions-menu', 'click', this.toggleMenu)
 
 				// observe all clicks on clear cache actions in the menu
-			$$('#clear-cache-actions-menu li a').each(function(element) {
-				Event.observe(element, 'click', this.clearCache.bind(this));
-			}.bindAsEventListener(this));
+			$$('#clear-cache-actions-menu li a').each(function (element) {
+				$(element).onclick = function (event) {
+					self.clearCache.call(self, event);
+					return false;
+				};
+			});
 		}, this);
 	},